Organ-blower.



I. H. SPENCER.

ORGAN BLOWER.

APPLICATION FILED AUG. 12, 1912.

1, 1 1 5,873. Patented Nov. 3, 1914.

WITNESSES." A; A; 6%

LVVENTOR.

A TTORNEY.

uNITE sTA rEs OFFICE.

WEST fenn'rronn, CONNECTICUT, Assrer-roa to THE ORGAN POWER COMPANY, or

nan'rronp, counnc'rrcur, aflconroaa'rron or commcricur.

' ORGAN-BLOWER.

sp c fi nf L er P n Patented Nov. 3, 19.14. Application filed August 12 1912. Serial 170. 714,514.

To all whom it may concern:

ing tothe fan. The deflectors on the "Be it known-that I, IRA II. SPENCER, a head-extendi-nward beyond the outer edges citizen of the United States, and a resident of thedeflectors from the plate 12 and prefof West Hartford, in the county of Harterably to a point near said plate, while the ford and State of Connecticut, have'inventends of the deflectors 16 terminate near the ed a new and, Improved Organ-Blower, of head 17, this construction providing a torwhich the following is a specification. tuous passage for the air which enters at the My invention relates to the class. of deinlet.19 and turns into the passage 20, from vices usedto supply air to mu'sical instru thence into the passage 2l,"from the latter ments and especially to church organs, and into the passage 22 and from the latter into an object of my invention,,among others, is the tube l8 from which it passes into the toprovide a device of this class that shall fan chamber and from thence outwardly be substantially noiseless in its operation. through the pipe 11 to the organ or other One form of device embodying my invendevices to be. supplied with air. tion and in the construction and use of The passages 19 to 22 and through the which the object above set out, as well as tube 18, have a. lining 23 of a material, as others, may be attained is illustrated in the felt, to retard the travel of sound outward accompanying drawing, in which from within the casing, and this combined Figure 1 is a side view of an organ blower with the tortuous passage effectually preembodying my invention, with parts out vents the sound caused by the operation of away to show construction. Fig. 2 is an the fan from being noticed without the easend view of the same, looking from the right 1 ing while at the same time the effective enof the device as shown in Fig. 1. trance of the air to the casing is not aflected.

In the accompanying drawings the nu The deflectors '15 projecting from the meral 1 denotes the casing of a blower, head 17 are connected as by means of struts which blower may be of ordinary form and 24- with the deflectors l6 projecting from the construction, embodying a shaft 5 to which plate 12', these struts being located and a number of sets of fans 6 are secured, each secured as may be desired to provide a firm set consisting of a hub 7, a disk 8, and fan support for the head 17 and the deflector blades 9 secured to the disks. The shaft walls secured thereto. 0 may be driven by a motor 10, and an outlet The structure herein shown and described or exhaust pipe 11 extends from the casing avoids the use of a self-closing valve which and through which the air currents generhas heretofore been employed to prevent the ated by the fans are caused to flow outescape of sound when the valve is closed, wardly from the casing. The casing is but which, however, does not prevent such closed on its inlet side by a plate 12 having .escape of sound when the valve is open, the an inlet opening 13 at the center thereof, conditions existing within my iunroved and this plate may also form one wall of apparatus being such that sound is equally an inlet casing 14 formed to permit flow of prevented from escaping when the appaair therethrough to the fans but to prevent ratus is running, Whether the air be flowing the sound caused by the operation of the into the inlet or not. fans from traveling backward and passing While I have shown and described herein out at the entrance to the inlet casing. To one form of device for effectually carrying effect this result the casing is composed of out my purpose, the invention may be presa number of concentric deflectors l5-16, ent in devices diflerently constructed and the former of which project from the head I do not therefore limit the invention to the 17 of the inlet casing inward and the lat exact form of apparatus herein disclosed.

ter of which project from the plate 12, a I claim 1 tube 18 extending from the plate 12 at the In an organ blower, a casing having an center forming the entrance to the inlet open inlet and an outlet adapted to be connected to a Wind chest or like reservoir, means between the deflectors projecting from the withinl the casing for creating a current of plate, and radially arranged struts secured air, a plate closing the inlet side of said to and connecting adjacent deflectors. casing, deflectors projecting from said plate IRA H. SPENCER. and arranged concentrically thereon, an in- Witnesses:

let easing including a head having deflec- ARTHUR B. JENKINS,

tors concentrically arranged thereon to lie MAY G. CARROLL. 

